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1.
Towards a low-cost mobile subcutaneous vein detection solution using near-infrared spectroscopy
Simon Jurič, Vojko Flis, Matjaž Debevc, Andreas Holzinger, Borut Žalik, 2014, pregledni znanstveni članek

Opis: Excessive venipunctures are both time- and resource-consuming events, which cause anxiety, pain, and distress in patients, or can lead to severe harmful injuries. We propose a low-cost mobile health solution for subcutaneous vein detection using near-infrared spectroscopy, along with an assessment of the current state of the art in this field. The first objective of this study was to get a deeper overview of the research topic, through the initial team discussions and a detailed literature review (using both academic and grey literature). The second objective, that is, identifying the commercial systems employing near-infrared spectroscopy, was conducted using the PubMed database. The goal of the third objective was to identify and evaluate (using the IEEE Xplore database) the research efforts in the field of low-cost near-infrared imaging in general, as a basis for the conceptual model of the upcoming prototype. Although the reviewed commercial devices have demonstrated usefulness and value for peripheral veins visualization, other evaluated clinical outcomes are less conclusive. Previous studies regarding low-cost near-infrared systems demonstrated the general feasibility of developing cost-effective vein detection systems; however, their limitations are restricting their applicability to clinical practice. Finally, based on the current findings, we outline the future research direction.
Ključne besede: subcutaneous vein detection, diagnostic methods and procedures, infrared rays, spectroscopy, vascular diseases, mobile devices
Objavljeno: 15.06.2017; Ogledov: 391; Prenosov: 151
.pdf Celotno besedilo (2,36 MB)
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2.
An innovative approach to near-infrared spectroscopy using a standard mobile device and its clinical application in the real-time visualization of peripheral veins
Simon Jurič, Borut Žalik, 2014, izvirni znanstveni članek

Opis: Background: Excessive venipunctures are a significant problem both in emergency rooms and during hospital stays. Near-infrared (NIR) illumination devices improve venipuncture success rate but their usage is limited by their availability and economic cost. The objectives of this study were to develop a low-cost NIR spectroscopy prototype from a standard mobile device, to evaluate its efficacy and acceptance as an educational tool, and in a clinical setting. Methods: Through a user-centric design process a prototype device was developed. Its educational efficacy was evaluated through a non-invasive, observational study (20 student clinicians, 25 subjects) and its acceptance was assessed using quantitative and qualitative analysis. A smaller clinical trial was performed by a group of 4 medical professionals over a period of 6 weeks that involved 64 patients. Results: The prototype enables real-time visualization of peripheral veins on a variety of Android-based devices. The prototype was 35.2% more successful in visualizing and locating veins (n = 500 attempts) than the nursing students. The acceptance assessment revealed high perception of usefulness, satisfaction, and ease of use. In the clinical trial, 1.6 (SD 1.3) additional veins per patient were identified compared with the traditional visualization methods. Conclusions: To the best of our knowledge this is the first study that describes the design, feasibility and application of an NIR spectroscopy prototype developed on a standard mobile device.
Ključne besede: mobile applications, spectroscopy, near-infrared, NIRS, vascular access devices, health education, feasibility
Objavljeno: 29.06.2017; Ogledov: 395; Prenosov: 178
.pdf Celotno besedilo (2,32 MB)
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3.
Criminal responsibility of students regarding using mobile devices and violating the principles of information security
Blaž Markelj, Sabina Zgaga, 2014, izvirni znanstveni članek

Opis: The combination of information security and criminal law in the case of usage of smart mobile phones among the students is a very relevant and current topic. Namely, the number of smart mobile phones’ users is rising daily, including among the student population, due to the need for perpetual communication and constant access to information. However, the lack of knowledge about recommendations on information security and safe use of smart mobile phone together with their disregard could lead to criminal responsibility of the users of smart mobile phones, including students. The purpose of this paper is therefore to represent the potential consequences of criminal responsibility and how to avoid it. The knowledge on safe use of smart mobile phones, their software, but also threats and safety solutions is very low among students, as the survey shows. Due to the loss, conveyance or disclosure of protected data, criminal responsibility of a user could therefore be relevant. In certain cases the juvenile criminal justice system is partly still relevant due to the students’ age, whereas in every case the students' culpability should be assessed precisely. This assessment namely distinguishes the cases, when the student is a perpetrator of a criminal act from the cases, when the student is only a victim of a criminal act due to his improper use of smart mobile phones.
Ključne besede: mobile devices, information security, criminal responsibility, criminal act
Objavljeno: 06.07.2017; Ogledov: 387; Prenosov: 141
.pdf Celotno besedilo (246,69 KB)
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4.
Mobile devices and effective information security
Blaž Markelj, Igor Bernik, 2013, izvirni znanstveni članek

Opis: Rapidly increasing numbers of sophisticated mobile devices (smart phones, tab computers, etc.) all over the world mean that ensuring information security will only become a more pronounced problem for individuals and organizations. It’s important to effectively protect data stored on or accessed by mobile devices, and also during transmission of data between devices and between device and information system. Technological and other trends show, that the cyber threats are also rapidly developing and spreading. It's crucial to educate users about safe usage and to increase their awareness of security issues. Ideally, users should keep-up with technological trends and be well equipped with knowledge otherwise mobile technology will significantly increase security risks. Most important is that we start educating youth so that our next generations of employees will be part of a culture of data and information security awareness.
Ključne besede: information security, blended threats, mobile devices, awareness
Objavljeno: 06.07.2017; Ogledov: 416; Prenosov: 158
.pdf Celotno besedilo (237,86 KB)
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5.
The Importance of the First Impression and the use of Gestalt Principles of Visaul Design while visiting Web Sites on Mobile Phone
Aleš Studen, 2017, diplomsko delo

Opis: This paper introduces an overview of the first impression on web regarding visual design in connection with user’s opinion. The definition of the first impression is explained as well as its importance. Visual design plays an important role whether website creates good or bad first impression. Gestalt principles of visual design are presented with given website examples. To confirm connection between the first impression and gestalt principles of design, eye-tracking study was performed. Successfully completed analysis was completed with 15 participants. Visual appearance plays an important role in evaluation but it is not the only factor. It is confirmed that out of four websites, the one using the more gestalt principles was at the final individual evaluation assessed the best. It is proven that also the manner of the information provided plays a significant role.
Ključne besede: First impression, gestalt principles, mobile devices, websites, eye tracking
Objavljeno: 24.10.2017; Ogledov: 347; Prenosov: 63
.pdf Celotno besedilo (4,56 MB)

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